Cultivator



(No Moel.) v 2 Sheets-Sheet 1.

O. A. SMITH.

GULTIVATOR.

Patented Apr. 4, 1893.

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i (N M del.) 2 SheetsSheet 2.

0. A. SMITH.

OULTIVATOR;

No; 494,749. Patented Apln, 1893.

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UNITED STATES PATENT OFFICE.

OLIVER A. SMITH, OF CLINTON COUNTY, ASSIGNOR OF ONE-HALF TO WILLIAM F. GANT, OF GRAYSON, MISSOURI.

CU LTIVATO R.

SPECIFICATION forming part of Letters Patent No. 494,749, dated April 4, 1893.

Application filed October 15, 1892. Serial No. 448, 941. (No model.)

To aZZ whom 232 may concern:

Be it known that I, OLIVER A. SMITH, of the county of Clinton, State of Missouri, have invented certain new and useful Improvements ration in detail showing the supporting frame of the cultivator and the reciprocating bar to which the uprights are attached for supporting and adjusting the beams of the plows.

Fig. 4 is a perspective view with parts broken away showing the forward end of the plow beam, means for attaching the same to one of the uprights, and the arch for holdingthe beam rigidly with the other beam carried by the cultivator. Fig. 5 is a vertical longitudinal section of the gearing and the parts attached thereto for operating the reciprocating bar by band. Fig. 6 is an enlarged side elevation with parts broken away showing one end of the lever for elevating the rear end of the plow and the collar fixed to the shaft upon which the said lever moves. Fig. 7 is a perspective View of the shield and the means for attaching the same to the cultivator; and Fig. 8 is a topplan View of the rear end of the plowbeam and means attached thereto for adjusting and securing the plows to the same.

The object of my invention is to dispense with the cumbersome manner of guiding the path of the plows which so far as I am aware is generally done by the feet and substitute therefor a lover which may be actuated by hand from the seat of the cultivator and with but a very little inconvenience on the part of the operator.

My invention further consists in means for adjusting the uprights to which the plow,

beams are secured whereby the same may be set and adjusted to suit the work and it further consists in other'details more specifically to be referred to hereinafter.

Referring to the drawings, 1 represents a U-shaped bar which forms a supportfor the remaining parts of the cultivator, and 2 represents a pole which is fastened to the top of the curved portion of the .U-shaped bar, the forward end of which pole extends a suitable distance out from the bar 1, the rear end of the same being adapted to support suitable mechanism hereinafter described. To the rear end of the said pole is fixed a keeper 3 as best shown in Fig. 5 through which a square shaft 4 is passed and held in place. The said shaft is of suitable length and extends transversely across the cultivator and is designed to support the several adjustable parts hereinat'ter described. To the free ends of the said shaft are fixed two plates 5 the said plates extending a suitable distance from the said shaft and supportinga round shaft 6 the length of which corresponds to the square shaft 4:. The shaft 6 is supported and held in place by a keeper 7 and support 8 holding the same a suitable distance from the pole 2 and below the shaft 4.

9 represents two collars which are adjustably secured upon the shaft at and on which are movably mounted two hand levers l0 having spring pawls 11 attached thereto the engaging ends of which come in contact with the ratchet plates 12 also fixed to the shaft 4 for holding the said levers in any desired position. The pivoted ends of the said levers 10 are enlarged and provided with a rounded surface, said surface being grooved to receive a chain 13 one end of which chain is attached to said lever and the opposite end fastened to the plow beam. These levers are intended to elevate the plow and free the same from contact with the earth when occasion arises.

14: represents a reciprocating bar T-shaped in cross section, which is loosely fixed in roller bearings 15 located under the U-shaped bar of the cultivator and fixed thereto by suitable bolts as best shown in Figs. 2 and 3, which allow the said T-shaped bar to be moved laterally for guiding the direction of the plows.

16 represents a plate one end of which is provided with teeth 17 and, interposed be position.

also adjustable through keepers 41 whichare.

tween said plate and the rear end of the pole 2 are three gear wheels 18, 19, and which,

are the ends of two chains 23, the opposite ends of said chains being attached to perforated lugs 24, located at the opposite ends of the said bar 14, forming a rigid connection between the gear wheel 18 and the said bar 14. To the gear wheel 22 is fixed a lever 25 carrying a spring pawl 26 the engagingend 27 of which is adapted to be received-by theteeth 17 formed on one. edgeof 'theplate 16 for holding the said lever in its proper position and further adjusting the bar 14 and. holding the same in a rigid position afteradjustmentis had by the co-operation of the intermediate gear 19. It will be wellto'state that the spring pawls employed are of well known construetion and consequently need nodetailed de scription. To the depending wing28 of said bar 14 are adjustably secured-two hanging supports 29 the lower ends of which are provided with openings for the passage of bolts 30 which bolts extend through the casting 31' forming a movable connection betweensaid casting and supports.

t 32 represents the plow beams which are of the usual construction one end of which is loosely attached or hinged to the projecting beam-.32 are attached two castings 34 to t which the plow shovels are adj ustably secured three of said shovels being attached to one casting in a manner as I shall now proceed to describe.

The outer. plow shovels 35 are adj ustablysecured/to twodetachable supports 36 one end of which is rounded and adaptedto be passed into suitable holes formed on one side 1 of the castings 34 and are held in place by bolts 37. .This allows the said shovels 35 to be adjusted-independent of the remaining plow shovels. 38 represents two similar supports which are secured to the casting 34 in a similar manner but on the opposite sides of the saidcastings and. are adapted to hold the adjacent or inner shovels 39 in an adjustable The intermediate shovels 40 are formed'by the casting 34 and an additional iron 42 fixed to the said castings as best shown in Fig. 8. Thus it will be seen that the plowshovels may be adjusted in various directions and may be set close together or wide apart as occasion requires. Uponthe round shaft 6 aremovably secured two braces 43 one end of which is attached to the supports 29 above theoasting 31 which hold the said supports in their properpositionwhen draft is applied to the same, the construction of which I shall now proceed to describe. Each of said braces is composed of two arms 44 one end of which .is movably attached .to the supports 29 as best seen in Fig. 2.

45 represent clips which are passed around the shaft 6 and having their ends attached to one end of the arms 44. Located between said clips is a roller 46 which bears against the shaft 6 and operates to reduce a certain amount of friction when the uprights 29 are moved in either direction. To the lower ends of the supports 29 are movably attached two draft, irons 47 the ends of which are interposed between the said lowerendsof the supports 29 and the castings 31 to whichthe .48 represents a double-tree "which is attached to the -pole2forward of the U shaped :plow beams are. attached and are held in place bythe bolts 30 which also. pass through 1 the same.

bar. 1 and to the ends of the said double-tree areattachedtwo bars 49 having a seriesof openings formed-therein for receiving one end of the connecting rod 50 leading from the draft irons 47. By means of the holes formed in the bars 49 the single-trees 51 maybe ad-- :justed in a vertical direction forthe purposes H well known. 52 represents a shield which.

maybe adjusted in a well known manner and is set to fit on the cultivator noz-matter .what the position of the plows may be.

53 represents an adj ustable'brace one end of which is attached to the shield 52 and the opposite end is attachedto one of theouter.

shovels 35 asshownin Fig. 1 for supporting the said shield-and holding the same in po-' .sition. r

In the drawings 1- have shown but one shield but in practice -I may employ two and attach the additional one to the cultivator in a simi-- lar manner.

upon the square shaft-4 which consists of two said collars beingrheld in position by means 4 and between the ends of the-U-shaped bar lis fixed a support 57 which extends a suit- 58 for the driver. scription it will be seen that the operation of the cultivator is accomplished-by several le- I have also shown means for adjusting the wheels to and from one another.

of nuts 56. Rigidlyrmounted uponthe shaft able distance rearward to which is fixed aseat- From the foregoing de-J vers which are located in close proximity to of the plow beam or shovel being elevatedor lowered in a similar manner.

the. seat-of the driver, the direction of the L plows being guided by hand and the rear end In order to hold the plowbeams at a prede-.

such as 59 the ends of which are provided with a suitable number of openings 60 on termined distance. apartl employ an arch which arch pins 61 are adj ustably secured the ends of which pins areinserted into holes formed for their reception in the plow beams intermediate of their ends as best shown in Fig. 4.

Attached to the castings 34 are brake pins 62 having curved upper ends which are adapted to receive and come in contact with the levers when the said levers are depressed for elevating the plow shovels.

The general construction of the device may be changed without departing from the nature of my invention particularly the means for holding the shovels to the castings 84, and therefore I do not limit myself to the precise construction herein shown and described.

Having fully described my invention, what I claim is- 1. In a cultivator a shaft 4 attached to the rear end of the pole 2, a second shaft 6 attached to the said shaft 4 by means of plates 5, a U-shaped bar 1 the ends of which are also attached to the said shaft 4, roller bearings attached to the saidU-shaped bar at its curved portion, a reciprocating bar held and guided by said bearings, supports 29 adj ustable on said reciprocating bar, plow beams attached to the said supports, braces 44 leading from the shaft 6 and connected with said supports, and means for operating the said reciprocating bar by hand, substantially as described.

2. In a cultivator, areciprocating bar adapted to be operated by hand, plow beams attached to the same and operated thereby, castings 34 attached to the opposite ends of the plow beams, shovels adj ustably secured to said castings,levers 1O movably secured to the cultivator and a chain attached to the said lever and the said beams for elevating the same, substantially as described.

3. In a cultivator, gear wheels 18, 19, and 20 movably attached to the same, a plate 16 located above said wheels and having teeth formed thereon, a lever attached to the said wheel 20 for turning the same, aspring pawl26 carried by the said lever and adapted to engage with the said teeth, a reciprocating bar 14, means for attaching the said bar to the gear 18, supports attached to the said bar to which one end of the plow beams is attached castings secured to the opposite ends of the said beams, and plow shovels adj ustably secured to the said castings, substantially as described.

4. A cultivator consisting of a square shaft 4, a pole 2 attached to the said shaft, a round shaft 6 attached to the pole below the same, plates 5 connecting the ends of the said shafts, levers 10 movable upon said shaft 4, means for attaching the said levers to the plow beams, a U-shaped bar 1 attached to the said pole and to the shaft 4, a reciprocating bar 14 movably secured to the bar 1, supports 29 adj ustable on said bar 14, castings 31 hinged to the lower end of said supports and uniting the ends of the plow beam, castings attached to the opposite ends of the said beams, plow shovels adjustably' secured to the said castings, and means attached to said bar 14 for operating the same by hand, substantially as set forth.

5. 'A cultivator consisting of shafts 4 and 6 attached to the pole 2 below the same, levers 1O movable upon said shaft 4, means for attaching the said levers to the plow beams, a U-shaped bar 1 fixed to the pole 2 and the shaft 4, bearings 15 attached to the said bar 1, a reciprocating bar 14 movable within said bearings, supports 29 adjustable on said bar and to which one end of the plow beams is attached, gear wheels 18, 19, and movably mounted upon said pole 2, shafts 21 passing through the same, and through the said pole, a plate 16 fixed to the upper end of said shafts, teeth 17 formed in the said plate, a lever 25 attached to the wheel 20, a spring pawl 26 carried by said lever and adapted to engage with said teeth, a forked shaped iron 22 fixed to the wheel 18, and chains 23 attached to the said iron 22 and to the ends of the said reciprocating bar 14, substantially as described.

In testimony whereof I aflix 1n ysignature in the presence of two witnesses. 1

OLIVER A. SMITH. \Vitnesses:

L. I HENRY, S. S. Wrirriuonn. 

